[add] pools discovery

zabbix/zabbix_php_fpm_discovery.sh

@@ -0,0 +1,55 @@
+#!/bin/bash
+#Ramil Valitov ramilvalitov@gmail.com
+#https://github.com/rvalitov/zabbix-php-fpm
+
+S_PS=`which ps`
+S_GREP=`which grep`
+S_AWK=`which awk`
+S_SORT=`which sort`
+S_HEAD=`which head`
+S_LSOF=`which lsof`
+
+if [[ ! -f $S_PS ]]; then
+	echo "Utility 'ps' not found. Please, install it first."
+	exit 1
+fi
+if [[ ! -f $S_GREP ]]; then
+	echo "Utility 'grep' not found. Please, install it first."
+	exit 1
+fi
+if [[ ! -f $S_AWK ]]; then
+	echo "Utility 'awk' not found. Please, install it first."
+	exit 1
+fi
+if [[ ! -f $S_SORT ]]; then
+	echo "Utility 'sort' not found. Please, install it first."
+	exit 1
+fi
+if [[ ! -f $S_HEAD ]]; then
+	echo "Utility 'head' not found. Please, install it first."
+	exit 1
+fi
+if [[ ! -f $S_LSOF ]]; then
+	echo "Utility 'lsof' not found. Please, install it first."
+	exit 1
+fi
+
+mapfile -t PS_LIST < <( $S_PS ax | $S_GREP "php-fpm: pool " | $S_GREP -v grep )
+POOL_LIST=`printf '%s\n' "${PS_LIST[@]}" | $S_AWK '{print $NF}' | $S_SORT -u`
+POOL_FIRST=0
+echo -n "{\"data\":["
+while IFS= read -r line
+do
+    if [[ $POOL_FIRST == 1 ]]; then
+        echo -n ","
+    fi
+    POOL_FIRST=1
+    POOL_PID=`printf '%s\n' "${PS_LIST[@]}" | $S_GREP "php-fpm: pool $line" | $S_HEAD -1 | $S_AWK '{print $1}'`
+    if [[ ! -z $POOL_PID ]]; then
+        POOL_SOCKET=`$S_LSOF -p $POOL_PID | $S_GREP unix | $S_HEAD -1 | $S_AWK '{ print $(NF-1)}'`
+        if [[ ! -z $POOL_SOCKET ]]; then
+            echo -n "{\"{#POOLNAME}\":\"$line\",\"{#POOLSOCKET}\":\"$POOL_SOCKET\"}"
+        fi
+    fi
+done <<< "$POOL_LIST"
+echo -n "]}"